Rashi on Amos
For behold I command—to exile them among all the nations, an unusually great scattering.
Rashi on Amos
as it is shaken—What they sift with a sieve after the fine bran falls out of it, and there remains the coarse [bran], which cannot come out, and then the one who shakes [it], shakes with all his might.
Rashi on Amos
it is shaken—by another, and it is impossible to read יָנוּעַ, since that denotes a thing that moves by itself.